<template>
  <div>
         <p>这是一个父组件</p>
          <p>{{ msg }}</p>
  <Children :info="msg" @changeParent="changeMsg"/>
  </div>

</template>

<script>
import Children from './Children.vue'
export default{
  name:"Parent",
  data(){
      return{
          msg:"这是父组件的信息"
      }
  },
  components:{
      Children
  },
  methods:{
      changeMsg(value){
          this.msg=value
      }
  }
}

</script>